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asoc: kona: check if codec is enabled

Browse source 
Add support to check if a codec is enabled/disabled in
device tree. Some codecs can be disabled on some platforms
while being enabled on others, so before registering with
sound card check if a codec is enabled.

Change-Id: Iba521889febe1f248365513efa6985d57da73876
Signed-off-by: Dechen Chai <quic_dchai@quicinc.com>
This commit is contained in:
Dechen Chai 2022-05-13 14:06:25 +05:30 • committed by Gerrit - the friendly Code Review server
commit 29b346368f
1 changed files with 87 additions and 18 deletions
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105
asoc/kona.c
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@ -5735,6 +5735,18 @@ static int msm_rx_tx_codec_init(struct snd_soc_pcm_runtime *rtd)
if (pdata->wcd_disabled) {
codec_reg_done = true;
if (pdata->lito_v2_enabled) {
/*
* Enable tx data line3 for saipan version v2 and
* write corresponding lpi register.
*/
bolero_set_port_map(bolero_component, ARRAY_SIZE(sm_port_map_v2),
sm_port_map_v2);
} else {
bolero_set_port_map(bolero_component, ARRAY_SIZE(sm_port_map),
sm_port_map);
}
return 0;
}
@ -5784,10 +5796,10 @@ static int msm_rx_tx_codec_init(struct snd_soc_pcm_runtime *rtd)
* Enable tx data line3 for saipan version v2 and
* write corresponding lpi register.
*/
bolero_set_port_map(component, ARRAY_SIZE(sm_port_map_v2),
bolero_set_port_map(bolero_component, ARRAY_SIZE(sm_port_map_v2),
sm_port_map_v2);
} else {
bolero_set_port_map(component, ARRAY_SIZE(sm_port_map),
bolero_set_port_map(bolero_component, ARRAY_SIZE(sm_port_map),
sm_port_map);
}
}
@ -7187,10 +7199,12 @@ static struct snd_soc_dai_link msm_kona_dai_links[
static int msm_populate_dai_link_component_of_node(
struct snd_soc_card *card)
{
int i, index, ret = 0;
int i, j, index, ret = 0;
struct device *cdev = card->dev;
struct snd_soc_dai_link *dai_link = card->dai_link;
struct device_node *np;
int codecs_enabled = 0;
struct snd_soc_dai_link_component *codecs_comp = NULL;
if (!cdev) {
dev_err(cdev, "%s: Sound card device memory NULL\n", __func__);
@ -7247,22 +7261,77 @@ static int msm_populate_dai_link_component_of_node(
}
/* populate codec_of_node for snd card dai links */
if (dai_link[i].codecs->name && !dai_link[i].codecs->of_node) {
index = of_property_match_string(cdev->of_node,
"asoc-codec-names",
dai_link[i].codecs->name);
if (index < 0)
continue;
np = of_parse_phandle(cdev->of_node, "asoc-codec",
index);
if (!np) {
dev_err(cdev, "%s: retrieving phandle for codec %s failed\n",
__func__, dai_link[i].codecs->name);
ret = -ENODEV;
goto err;
if (dai_link[i].num_codecs > 0) {
for (j = 0; j < dai_link[i].num_codecs; j++) {
if (dai_link[i].codecs[j].of_node ||
!dai_link[i].codecs[j].name)
continue;
index = of_property_match_string(cdev->of_node,
"asoc-codec-names",
dai_link[i].codecs[j].name);
if (index < 0)
continue;
np = of_parse_phandle(cdev->of_node,
"asoc-codec",
index);
if (!np) {
dev_err(cdev, "%s: retrieving phandle for codec %s failed\n",
__func__,
dai_link[i].codecs[j].name);
ret = -ENODEV;
goto err;
}
dai_link[i].codecs[j].of_node = np;
dai_link[i].codecs[j].name = NULL;
}
}
}
/* In multi-codec scenario, check if codecs are enabled for this platform */
for (i = 0; i < card->num_links; i++) {
codecs_enabled = 0;
if (dai_link[i].num_codecs > 1) {
for (j = 0; j < dai_link[i].num_codecs; j++) {
if (!dai_link[i].codecs[j].of_node)
continue;
np = dai_link[i].codecs[j].of_node;
if (!of_device_is_available(np)) {
dev_dbg(cdev, "%s: codec is disabled: %s\n",
__func__,
np->full_name);
dai_link[i].codecs[j].of_node = NULL;
continue;
}
codecs_enabled++;
}
if (codecs_enabled > 0 &&
codecs_enabled < dai_link[i].num_codecs) {
codecs_comp = devm_kzalloc(cdev,
sizeof(struct snd_soc_dai_link_component)
* codecs_enabled, GFP_KERNEL);
if (!codecs_comp) {
dev_err(cdev, "%s: %s dailink codec component alloc failed\n",
__func__, dai_link[i].name);
ret = -ENOMEM;
goto err;
}
index = 0;
for (j = 0; j < dai_link[i].num_codecs; j++) {
if(dai_link[i].codecs[j].of_node) {
codecs_comp[index].of_node =
dai_link[i].codecs[j].of_node;
codecs_comp[index].dai_name =
dai_link[i].codecs[j].dai_name;
codecs_comp[index].name = NULL;
index++;
}
}
dai_link[i].codecs = codecs_comp;
dai_link[i].num_codecs = codecs_enabled;
}
dai_link[i].codecs->of_node = np;
dai_link[i].codecs->name = NULL;
}
}